If the controller is sending a signal but it isn't reaching the solenoid, the break is in the wiring harness. Fluid & Temperature Secondary Checks
Inspect the connector at the pump solenoid for moisture or a loose pin. Replacement: If the solenoid fails the resistance test, replace the Pump P/V Solenoid Valve resistance specifications for a particular Doosan model, such as a DX140 or DX225? Mã lỗi trên màn hình máy xúc Doosan DX140W-5
: The code may clear when turning the ignition switch off and on, only to return minutes later once the system reaches operating temperature. Step-by-Step Troubleshooting and Diagnostic Workflow doosan fault code vpv001-05
: An industry-standard FMI designation. It explicitly dictates that the voltage flowing through the circuit is lower than expected because the pathway is broken (open circuit) or a connection has completely separated. Root Causes of the Error
Switch the meter to DC Volts and check the harness side with the machine key turned to the "ON" position. You should read a steady 5V reference signal coming from the ECM. If there is no voltage, the issue is a broken harness line further up the engine assembly. Step 5: Thermal Verification If the controller is sending a signal but
: This specific suffix usually signals an open circuit or "current below normal," meaning the controller is not detecting the expected electrical load from the solenoid. Common Causes
The fuse that powers the circuit is blown. Mã lỗi trên màn hình máy xúc Doosan
Measure the resistance across the two pins of the solenoid valve coil.